Achillea millefolium (Yarrow)

7/2/16 Horseshoe Meadow, 10,000' elevation, Lone Pine Region, 

Inyo National Forest, Eastern Sierra, Inyo County, CA 

7/3/16 Tyee Lakes trailhead, South Lake Rd., Bishop region, 
Inyo National Forest, Eastern Sierra, Inyo County, CA

7/5/16 Parker Lake Road, off June Lake Loop (SR 158),
Eastern Sierra, Mono County, CA

7/8/16 Twin Lakes, Eastern Sierra, Mono County, CA

LIFE LIST NOTES:

COMMON NAME: Yarrow

SPECIES: Achillea millefolium

FAMILY: Asteraceae (Sunflower Family)

LIFE LIST DATE: 7/2/2016

LOCATION: 10,000' elevation, Horseshoe Meadow, Lone Pine Region, Inyo National Forest, Eastern Sierra, Inyo County, CA 

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Treatment from Jepson eFlora:

NATIVE
Habit: Plant 10--200 cm. 

Leaf: finely 3-pinnately divided; cauline leaves +- clasping. 

Inflorescence: phyllaries 4--9 mm. 

Ray Flower: ray 2.5--4 mm, ovate to round, white to pink. 

Disk Flower: 15--40; corolla 2--3 mm, white to pink. 

Fruit: +- 2 mm. 

Ecology: Many habitats; 

Elevation: < 3650 m. 

Bioregional Distribution: CA-FP, GB; 

Distribution Outside California: circumboreal. 

Flowering Time: Apr--Sep 

Note: Highly variable polyploid complex; leaf size and hairiness especially variable.